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Chemical Reactions > Chemical Reactions > Flashcards

Chemical Reactions Flashcards

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Organic Chemistry 101 flashcards
1
Q

Physical Change

A

A change that changes the form of the substance but not it’s chemical composition.

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2
Q

Chemical Change

A

A change that changes the chemical composition of a substance To form a new substance.

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3
Q

Things that show a chemical change has occurred

A

A non - reversible color change
Light or heat is being absorbed or released.
Formation of a precipitate.
Formation of a gas (effervescence)

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4
Q

Word equation

A

an expression of a chemical reaction or mathematical equation using words rather than letters, numbers, and operators. It indicates the order of operations.

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5
Q

Chemical equation

A

Is a symbolic representation of a chemical reaction in terms of symbols and letters.

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6
Q

Reactants

A

Things that react to form a new substance

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7
Q

Products

A

Things that are the new substance.

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8
Q

Conservation of matter

A

The matter at the start of the reaction is equal to the mass at the end of the reaction.

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9
Q

Collision theory

A

For a reaction to happen particles must collide with a high enough energy

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10
Q

Ways to speed up chemical reaction

A

Use a catalyse
Increase the temperature
increase the concentration
Increase the surface area

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11
Q

Acids

A

Substance that releases H+ ions when dissolved in water

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12
Q

Base

A

Substance that accepts free protons and releases OH- CO32- and O- ions in water.

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13
Q

Universal Indicator

A

An indicator is a chemical that indicates the PH of a substance

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14
Q

Acid + Metal

A

Salt + Hydrogen

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15
Q

Acid + Base (neutralization)

A

Salt + Water (+Carbon Dioxide)

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16
Q

Sexual Reproduction

A

The combination of two sets of genetic material to reproduce offspring identical to parents

17
Q

Asexual reproduction

A

Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes. Offspring are not identical to parent

18
Q

Internal fertilisation

A

When fertilisation happens inside the female body.

19
Q

External fertilisation

A

When the male gamete is spray into the female gametes outside of the body.

20
Q

Seminal Vesical

A

Place where semen is added to sperm cells

21
Q

Puberty

A

The age where humans reach sexual maturity.

22
Q

Fertilization

A

The fusion of the male and female nucleus gametes in the fallopian tube

23
Q

Sperm

A

Male Gamete

24
Q

Egg

A

Female gamete

Chemical Reactions (2 decks)

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